CN108462106A - Extra-high voltage alternating current-direct current transmission line of electricity Combined line presss from both sides electrification replacing tool and method - Google Patents
Extra-high voltage alternating current-direct current transmission line of electricity Combined line presss from both sides electrification replacing tool and method Download PDFInfo
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- CN108462106A CN108462106A CN201810270795.6A CN201810270795A CN108462106A CN 108462106 A CN108462106 A CN 108462106A CN 201810270795 A CN201810270795 A CN 201810270795A CN 108462106 A CN108462106 A CN 108462106A
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- high voltage
- voltage alternating
- direct current
- alternating current
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 24
- 230000005611 electricity Effects 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000006073 displacement reaction Methods 0.000 claims description 25
- 239000012212 insulator Substances 0.000 claims description 16
- 239000004020 conductor Substances 0.000 abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 4
- 229910001069 Ti alloy Inorganic materials 0.000 abstract description 2
- 239000000956 alloy Substances 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- Electric Cable Installation (AREA)
Abstract
The present invention relates to a kind of wire clamp electrification replacing tool and methods, belong to field of electrical equipment, are specifically related to a kind of extra-high voltage alternating current-direct current transmission line of electricity Combined line folder electrification replacing tool and method.The present invention manufactures the yoke plate clamp main body of different structure by using titanium alloy material, this sample Combined guide line wire clamp is replaced tool and can be combined as needed, wire clamp for replacing extra-high voltage alternating current-direct current circuit different insulative substring structure type, different conductor sectional area, different conductor division number, not homogeneous wire spacing, and tool is few, light-weight, easy for installation, easy to operate, tensile strength is high；Meanwhile the composite conductor wire clamp replaces tool body in use using the insulation distance that conducting wire yoke plate is the fulcrum not original circuit of short circuit, greatly improves the safety coefficient of livewire work, the hotline maintenance suitable for extra-high voltage alternating current-direct current transmission line of electricity.
Description
Technical field
The present invention relates to a kind of wire clamp electrification replacing tool and methods, belong to field of electrical equipment, are specifically related to one kind
Extra-high voltage alternating current-direct current transmission line of electricity Combined line presss from both sides electrification replacing tool and method.
Background technology
With the continuous improvement that the fast development and user of power grid require power supply reliability, find in time defect,
Eliminating defect becomes the emphasis of circuit fortune inspection person works.Transmission line of electricity straight line pole is in During Process of Long-term Operation, because of conducting wire
The time limit is longer etc. that reasons lead to suspension clamp fracture, fall off for vibrations, operation, causes great hidden danger to the operation of circuit, simultaneously
Also it threatens to the production of resident near shaft tower, life.
It usually handles such defect and needs combined circuit power failure operation, by making on ground, cross-arm and at suspension clamp three
Industry personnel coordinate, and are replaced after being fastened using Work tools such as chain slings, and replacement flow is relatively complicated, simultaneously because power failure operation
Affect power grid power supply reliability.
Therefore, it develops a set of suspension clamp and replaces tool, solve operating personnel and carry out Equipotential live working replacement pendency
During wire clamp the promotion of lower Square wire and it is fixed the problems such as, ensure power supply reliability, there is great research significance.
Invention content
The technical problems to be solved by the invention
Power transmission lines overhauling in the prior art, which mostly uses greatly, traditional whole puies forward line mode to carry out the maintenance of wire clamp
Operation when operation, needs main body being fixed below cross-arm angle steel or on control tower, required personnel are more, Work tool is more, operation is multiple
It is miscellaneous, efficiency is low.
The present invention is mainly the technical problem solved present in the prior art, provides a kind of extra-high voltage alternating current-direct current power transmission line
Road Combined line folder electrification replacing tool and method.The tool and method devise and the matched agent structure of yoke plate, use
When, it is only necessary to main body, which is fixed on yoke plate, can realize charged for replacement, at low cost, easy to operate.
Technical scheme applied to solve the technical problem
The above-mentioned technical problem of the present invention is mainly to be addressed by following technical proposals：
A kind of extra-high voltage alternating current-direct current transmission line of electricity Combined line folder electrification replacing tool, including：
Main body, be provided at both ends with can longitudinal extension screw component, middle part setting be connected with conducting wire connecting plate it is tight
Fixing bolt；The screw component and the removable dismantling connection of thread-lifting hook；
Wherein, it is provided with the slot being adapted with yoke plate shape in the middle part of the main body.
In at least one embodiment of the present invention, the shape with V-type of the slot or I type insulator yoke plate phases
Match.
In at least one embodiment of the present invention, the main body is a positive T-type structure, and the screw component is set to institute
The two-arm end of positive T-type structure is stated, for the boss of the positive T-type structure towards ground, the slot is set to the boss
And running through the main body along with the direction of the body normal, the firm bolt is set to the slot side plate on the slot both sides
On, the slot side plate is connected to an inclined plane shape in the two-arm of the positive T-type structure.
In at least one embodiment of the present invention, the main body is the section away from the side on ground in the vertical direction
For an inverted T-type structure, the side section in the vertical direction towards ground is an isosceles trapezoidal structure, the isosceles trapezoid
Slot is set at the center of structure, and the slot runs through the main body, the firm bolt along with the direction of the body normal
It is set on the slot side plate on the slot both sides, the waist of the isosceles trapezoidal structure is provided with hollow hole.
In at least one embodiment of the present invention, displacement pulling plate, the distribution of displacement pulling plate are provided on the screw component
There are different spacing connecting holes, the thread-lifting hook to be connected to the connecting hole on displacement pulling plate.
In at least one embodiment of the present invention, the thread-lifting hook is multiple, and has different length.
A kind of extra-high voltage alternating current-direct current transmission line of electricity Combined line entrainment charged renewal method, including：
Main body is fixed on by fastening bolt on yoke plate；
Main body both ends setting can longitudinal extension screw component；
The screw component is connected with thread-lifting hook；
It is flexible to drive thread-lifting hook to be lifted conducting wire to manipulate the screw component.
In at least one embodiment of the present invention, including：Different spacing connections are provided on the screw component
Thread-lifting hook is connected to the connecting hole on displacement pulling plate by the displacement pulling plate in hole, and the position of thread-lifting hook is adjusted by displacement pulling plate.
In at least one embodiment of the present invention, it is with yoke plate by combinations of the above formula wire clamp electrification replacing tool main body
Fulcrum is installed.
In at least one embodiment of the present invention, the change of different spacing connecting holes is provided on the screw component
Away from pulling plate, thread-lifting hook is connected to the connecting hole on displacement pulling plate, the position of thread-lifting hook is adjusted by displacement pulling plate.
Inventive technique effect
The present invention manufactures the yoke plate clamp main body of different structure, this sample Combined guide line wire clamp by using titanium alloy material
Replacement tool can be combined as needed, for replacing extra-high voltage alternating current-direct current circuit different insulative substring structure type, difference
The wire clamp of sectional area of wire, different conductor division number, not homogeneous wire spacing, and tool it is few, it is light-weight, easy for installation,
It is easy to operate, tensile strength is high；Meanwhile the composite conductor wire clamp replacement tool body is in use with conducting wire yoke plate
The insulation distance of the fulcrum not original circuit of short circuit, greatly improves the safety coefficient of livewire work, and it is defeated to be suitable for extra-high voltage alternating current-direct current
The hotline maintenance of electric line.
Description of the drawings
Fig. 1 is " V " type replacing insulator string tool construction schematic diagram of the invention；
Fig. 2-1,2-2 are the general thread-lifting hook part structural schematic diagram of the present invention；
Fig. 3 is " I " type replacing insulator string tool construction schematic diagram of the invention；
Fig. 4 is the directions A-A and the structural schematic diagram after yoke plate assembling along Fig. 3.
In figure：" V " type replacing insulator string tool body 1, " I " type replacing insulator string tool body 1a, 1b, lead screw group
Part 2, bulb pin 3, pellet 4, spring 5, plug screw 6, main body fastening bolt 7, displacement pulling plate 8, side connecting bolt 9, short thread-lifting hook 10,
Long thread-lifting hook 11.
Specific implementation mode
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment：
The present embodiment provides a kind of extra-high voltage alternating current-direct current transmission line of electricity Combined lines to press from both sides electrification replacing tool, including " V " type
Replacing insulator string tool body 1, " I " type replacing insulator string tool body 1a, 1b, the Combined line carry charged renewal work secretly
Tool main body 1a, 1b (or 1) both ends are separately connected there are one screw component 2, and the screw component 2 is separately connected that there are one displacements to draw
Different spacing connecting holes are distributed in plate 8, the displacement pulling plate 8, and the displacement pulling plate 8 can be needed according to operation through different connections
Hole is installed by short thread-lifting hook 10 or long thread-lifting hook 11.
The present invention selects different tools respectively in use, according to extra-high voltage alternating current-direct current circuit different conductor linked vector graph
Main body (as shown in Fig. 1 or 3) is combined completion operation with short thread-lifting hook 10 or long thread-lifting hook 11.
When replacing ultrahigh voltage alternating current transmission lines " I " type insulator chain pattern wire clamp, yoke plate and socket-clevis eye are utilized
" I " type replacing insulator string tool body 1a, 1b are installed for fulcrum, replace extra-high voltage alternating current-direct current transmission line of electricity " V " type insulator
It is that fulcrum installs " V " type replacing insulator string tool body 1 using side of wire yoke plate upper end hanging hole when serial type formula wire clamp,
Replacement tool body 1a, the 1b (or 1) are fixed on by main body fastening bolt 7 on conducting wire yoke plate, and bulb pin is then passed through
3, replacement tool body 1a, the 1b (or 1) are separately connected a screw component 2, the lead screw by pellet 4, spring 5, plug screw 6
Component 2 is separately connected there are one displacement pulling plate 8, according to needed to change extra-high voltage alternating current-direct current transmission line of electricity levels wire clamp or
Middle level wire clamp selects suitable connecting hole to install short thread-lifting hook 10 or long thread-lifting hook 11 and conducting wire the displacement pulling plate 8
It is connected to form and carries linear system system, by the operation screw component 2, slowly tighten short thread-lifting hook 10 or long thread-lifting hook 11, it is described short
Thread-lifting hook 10 or 11 stress of long thread-lifting hook drive conducting wire to rise, and wire clamp stress, which is transferred to, carries linear system system, to complete conducting wire
The live-line maintenance operation of wire clamp.With the above structure, above displacement pulling plate with combine lead screw connection, below with length thread-lifting hook
Connection, thread-lifting hook, which is used for hooking conducting wire again, up to be promoted；For six division, eight split conductors, each be known as sub-conductor, six points
It splits and is split into octagon arrangement for regular hexagon arrangement, eight, when promoting upper layer, lower layer's sub-conductor, with short hook, when in promotion
Between sub-conductor when with long hook, length hook be mainly that sub-conductor horizontal distance is different, but also has among the layer conductor of upper, middle and lower
Distance, thus length hook can be selected suitable connecting hole connection on displacement pulling plate, upper and lower distance can be adjusted.
As can be seen from the above description, the present embodiment is special with " V " type insulator chain and " I " type insulator chain phase by being arranged
Matched main body simplifies Job Operations so as to which tool to be directly connected on yoke plate.
As shown in Figure 1, when being matched with " V " type insulator chain, the main body 1 selected is a positive T-type structure, the lead screw group
Part is set to the two-arm end of the positive T-type structure, and towards ground, the slot is set to the boss of the positive T-type structure
The boss simultaneously runs through the main body 1 along with the direction of the body normal, and the firm bolt is set to the slot both sides
Slot side plate on, the slot side plate is connected to an inclined plane shape in the two-arm of the positive T-type structure.
As shown in Figure 3-4, when being matched with " I " type insulator chain, the main body 1 that selects for away from the side on ground vertical
Section on direction is an inverted T-type structure, and the side section in the vertical direction towards ground is an isosceles trapezoidal structure,
Slot is set at the center of the isosceles trapezoidal structure, the slot runs through the main body along with the direction of the body normal,
The firm bolt is set on the slot side plate on the slot both sides, and the waist of the isosceles trapezoidal structure is provided with hollow hole.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of extra-high voltage alternating current-direct current transmission line of electricity Combined line presss from both sides electrification replacing tool, which is characterized in that including：
Main body (1), be provided at both ends with can longitudinal extension screw component (2), middle part setting is connected with conducting wire connecting plate
Fastening bolt (7)；The screw component (2) and thread-lifting hook (10,11) removable dismantling connection；
Wherein, it is provided with the slot being adapted with yoke plate shape in the middle part of the main body.
2. a kind of extra-high voltage alternating current-direct current transmission line of electricity Combined line according to claim 1 presss from both sides electrification replacing tool, special
Sign is that shape and the V-type or I type insulator yoke plates of the slot match.
3. a kind of extra-high voltage alternating current-direct current transmission line of electricity Combined line according to claim 1 presss from both sides electrification replacing tool, special
Sign is that the main body (1) is a positive T-type structure, and the screw component is set to the two-arm end of the positive T-type structure, described
Towards ground, the slot is set to the boss and along the direction with the body normal boss of positive T-type structure
Through the main body (1), the firm bolt is set on the slot side plate on the slot both sides, and the slot side plate is with an inclined-plane
Shape is connected in the two-arm of the positive T-type structure.
4. a kind of extra-high voltage alternating current-direct current transmission line of electricity Combined line according to claim 1 presss from both sides electrification replacing tool, special
Sign is that the main body (1) is is an inverted T-type structure away from the section of the side on ground in the vertical direction, towards ground
Side section in the vertical direction be an isosceles trapezoidal structure, slot, institute are set at the center of the isosceles trapezoidal structure
It states slot and runs through the main body along with the direction of the body normal, the firm bolt is set to the socket side on the slot both sides
On plate, the waist of the isosceles trapezoidal structure is provided with hollow hole.
5. a kind of extra-high voltage alternating current-direct current transmission line of electricity Combined line according to claim 1 presss from both sides electrification replacing tool, special
Sign is, displacement pulling plate (8) is provided on the screw component (2), different spacing connecting holes are distributed in displacement pulling plate, described to carry
Line hook (10,11) is connected to the connecting hole on displacement pulling plate (8).
6. a kind of extra-high voltage alternating current-direct current transmission line of electricity Combined line according to claim 1 presss from both sides electrification replacing tool, special
Sign is that the thread-lifting hook is multiple, and has different length.
7. a kind of extra-high voltage alternating current-direct current transmission line of electricity Combined line carries charged renewal method secretly, which is characterized in that including：
Main body (1) is fixed on by fastening bolt (7) on yoke plate；
Main body (1) both ends setting can longitudinal extension screw component (2)；
The screw component and thread-lifting hook (10,11) are connected；
It is flexible to drive thread-lifting hook (10,11) to be lifted conducting wire to manipulate the screw component (2).
8. a kind of extra-high voltage alternating current-direct current transmission line of electricity Combined line according to claim 7 carries charged renewal method secretly, special
Sign is, including：The displacement pulling plate (8) of different spacing connecting holes is provided on the screw component (2), by thread-lifting hook
(10,11) are connected to the connecting hole on displacement pulling plate (8), and the position of thread-lifting hook (10,11) is adjusted by displacement pulling plate.
9. a kind of extra-high voltage alternating current-direct current transmission line of electricity Combined line carries charged renewal method secretly, which is characterized in that by claim 1 institute
The Combined line entrainment charged renewal tool body stated is installed by fulcrum of yoke plate.
10. a kind of extra-high voltage alternating current-direct current transmission line of electricity Combined line according to claim 9 carries charged renewal method secretly, special
Sign is, the displacement pulling plate (8) of different spacing connecting holes is provided on the screw component (2), by thread-lifting hook (10,11)
The connecting hole being connected on displacement pulling plate (8) adjusts the position of thread-lifting hook (10,11) by displacement pulling plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810270795.6A CN108462106A (en) | 2018-03-29 | 2018-03-29 | Extra-high voltage alternating current-direct current transmission line of electricity Combined line presss from both sides electrification replacing tool and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810270795.6A CN108462106A (en) | 2018-03-29 | 2018-03-29 | Extra-high voltage alternating current-direct current transmission line of electricity Combined line presss from both sides electrification replacing tool and method |
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| Publication Number | Publication Date |
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| CN108462106A true CN108462106A (en) | 2018-08-28 |
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| CN201810270795.6A Pending CN108462106A (en) | 2018-03-29 | 2018-03-29 | Extra-high voltage alternating current-direct current transmission line of electricity Combined line presss from both sides electrification replacing tool and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289574A (en) * | 2019-07-16 | 2019-09-27 | 国网湖北省电力有限公司宜昌供电公司 | 10kV insulating bar livewire work Multifunctional cable clamp |
| CN110380356A (en) * | 2019-07-04 | 2019-10-25 | 国家电网有限公司 | Wire clamp replaces tool |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340114A (en) * | 2011-09-23 | 2012-02-01 | 四川省电力公司达州电业局 | High-voltage power transmission line lifter for live working |
| CN203774687U (en) * | 2014-04-01 | 2014-08-13 | 中国南方电网有限责任公司超高压输电公司南宁局 | Special-purpose replacing tool for suspension clamp of +/-800kV extra-high tension direct current line wire |
| WO2015078279A1 (en) * | 2013-11-27 | 2015-06-04 | 国家电网公司 | Live overhaul process for ±800 kv ultra-high voltage dc power transmission line |
| CN107706822A (en) * | 2017-11-15 | 2018-02-16 | 国家电网公司 | Equipotential suspension clamp changes instrument |
| CN208299324U (en) * | 2018-03-29 | 2018-12-28 | 国家电网公司 | Extra-high voltage alternating current-direct current transmission line of electricity Combined line presss from both sides electrification replacing tool |
-
2018
- 2018-03-29 CN CN201810270795.6A patent/CN108462106A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340114A (en) * | 2011-09-23 | 2012-02-01 | 四川省电力公司达州电业局 | High-voltage power transmission line lifter for live working |
| WO2015078279A1 (en) * | 2013-11-27 | 2015-06-04 | 国家电网公司 | Live overhaul process for ±800 kv ultra-high voltage dc power transmission line |
| CN203774687U (en) * | 2014-04-01 | 2014-08-13 | 中国南方电网有限责任公司超高压输电公司南宁局 | Special-purpose replacing tool for suspension clamp of +/-800kV extra-high tension direct current line wire |
| CN107706822A (en) * | 2017-11-15 | 2018-02-16 | 国家电网公司 | Equipotential suspension clamp changes instrument |
| CN208299324U (en) * | 2018-03-29 | 2018-12-28 | 国家电网公司 | Extra-high voltage alternating current-direct current transmission line of electricity Combined line presss from both sides electrification replacing tool |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380356A (en) * | 2019-07-04 | 2019-10-25 | 国家电网有限公司 | Wire clamp replaces tool |
| CN110289574A (en) * | 2019-07-16 | 2019-09-27 | 国网湖北省电力有限公司宜昌供电公司 | 10kV insulating bar livewire work Multifunctional cable clamp |
| CN110289574B (en) * | 2019-07-16 | 2024-01-05 | 国网湖北省电力有限公司宜昌供电公司 | Multifunctional J-shaped line clamping and assembling and disassembling tool for 10kV insulating rod operation method |
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Application publication date: 20180828 |